package main

import "fmt"

func main() {
	scene := make(map[string]int)

	scene["route"] = 66
	scene["brazil"] = 4
	scene["china"] = 960
	//  delete() 内建函数从 map 中删除一组键值对
	delete(scene, "brazil")
	// 遍历map
	for k, v := range scene {
		fmt.Println(k, v)
	}
}
